121010221202002 has 64 divisors (see below), whose sum is σ = 200792489829120. Its totient is φ = 54239399884800.

The previous prime is 121010221201997. The next prime is 121010221202009. The reversal of 121010221202002 is 200202122010121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (121010221202009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 749389552 + ... + 749551012.

It is an arithmetic number, because the mean of its divisors is an integer number (3137382653580).

Almost surely, 2^{121010221202002} is an apocalyptic number.

121010221202002 is a deficient number, since it is larger than the sum of its proper divisors (79782268627118).

121010221202002 is a wasteful number, since it uses less digits than its factorization.

121010221202002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163267.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 121010221202002 its reverse (200202122010121), we get a palindrome (321212343212123).

The spelling of 121010221202002 in words is "one hundred twenty-one trillion, ten billion, two hundred twenty-one million, two hundred two thousand, two".